257823360

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2675

約数の個数: 192

約数和(自身を含む): 943024680

約数和(自身を除く): 685201320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 816, 960, 1020, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2448, 2633, 2720, 2880, 3060, 3264, 4080, 4896, 5266, 5440, 5760, 6120, 6528, 7899, 8160, 9792, 10532, 10880, 12240, 13165, 15798, 16320, 19584, 21064, 23697, 24480, 26330, 31596, 32640, 39495, 42128, 44761, 47394, 48960, 52660, 63192, 78990, 84256, 89522, 94788, 97920, 105320, 118485, 126384, 134283, 157980, 168512, 179044, 189576, 210640, 223805, 236970, 252768, 268566, 315960, 337024, 358088, 379152, 402849, 421280, 447610, 473940, 505536, 537132, 631920, 671415, 716176, 758304, 805698, 842560, 895220, 947880, 1011072, 1074264, 1263840, 1342830, 1432352, 1516608, 1611396, 1685120, 1790440, 1895760, 2014245, 2148528, 2527680, 2685660, 2864704, 3033216, 3222792, 3580880, 3791520, 4028490, 4297056, 5055360, 5371320, 5729408, 6445584, 7161760, 7583040, 8056980, 8594112, 10742640, 12891168, 14323520, 15166080, 16113960, 17188224, 21485280, 25782336, 28647040, 32227920, 42970560, 51564672, 64455840, 85941120, 128911680, 257823360]

約数ペア:

[(1, 257823360), (2, 128911680), (3, 85941120), (4, 64455840), (5, 51564672), (6, 42970560), (8, 32227920), (9, 28647040), (10, 25782336), (12, 21485280), (15, 17188224), (16, 16113960), (17, 15166080), (18, 14323520), (20, 12891168), (24, 10742640), (30, 8594112), (32, 8056980), (34, 7583040), (36, 7161760), (40, 6445584), (45, 5729408), (48, 5371320), (51, 5055360), (60, 4297056), (64, 4028490), (68, 3791520), (72, 3580880), (80, 3222792), (85, 3033216), (90, 2864704), (96, 2685660), (102, 2527680), (120, 2148528), (128, 2014245), (136, 1895760), (144, 1790440), (153, 1685120), (160, 1611396), (170, 1516608), (180, 1432352), (192, 1342830), (204, 1263840), (240, 1074264), (255, 1011072), (272, 947880), (288, 895220), (306, 842560), (320, 805698), (340, 758304), (360, 716176), (384, 671415), (408, 631920), (480, 537132), (510, 505536), (544, 473940), (576, 447610), (612, 421280), (640, 402849), (680, 379152), (720, 358088), (765, 337024), (816, 315960), (960, 268566), (1020, 252768), (1088, 236970), (1152, 223805), (1224, 210640), (1360, 189576), (1440, 179044), (1530, 168512), (1632, 157980), (1920, 134283), (2040, 126384), (2176, 118485), (2448, 105320), (2633, 97920), (2720, 94788), (2880, 89522), (3060, 84256), (3264, 78990), (4080, 63192), (4896, 52660), (5266, 48960), (5440, 47394), (5760, 44761), (6120, 42128), (6528, 39495), (7899, 32640), (8160, 31596), (9792, 26330), (10532, 24480), (10880, 23697), (12240, 21064), (13165, 19584), (15798, 16320)]